Commaterial
同物质, 同一种材料
🗣️ 情景例句
When do you need the money?
你什么时候需要钱？
I'm so scared.
我怕极了。
I went on walking, bending down because the roof of the cave was not very high.
因为洞顶不是很高，我继续弯着腰往前走。